A northeasterly, weak and very variable flow prevails over the South-West of the basin. Over the North and the East, it is westerly, moderate and particularly variable.
For Fécamp :
No gale warning.
The reliability of the situation is poor.
For the night from Wednesday to Thursday WNW force 3 becoming force 2 in the middle of the night then force 1. Gusts reaching 15 knots in the early part of the night.
Smooth to slight sea becoming slight in the middle of the night. Low, short swell from WNW. Good visibility becoming good in the middle of the night then poor. Daytime of Thursday 20 august : The sky will remain changeable.
Good clear periods alternating with cloudy spells, sometimes more dense in the afternoon. The risk of seeing rain will remain low. In the evening, cloud and long sunny periods.
Chance of light rain. WNW force 2 becoming force 3 in the middle of the day then NW. Gusts reaching 16 knots in the middle of the day. Slight sea. Low, short swell from WNW. Poor visibility becoming excellent in the middle of the day then good.